"Apathetic schoolboy Miharu Rokujou is content to meander through life in the sleepy village of Banten. But his quiet existence is shattered when the Grey Wolves of Iga, a powerful ninja clan, attempt to kidnap him in broad daylight. Only then does Miharu discover that the ultimate power of the hidden ninja realm--a power that can do both great good and great harm--is sealed within his body. As battles erupt among rival ninja clans seeking to control...

"As the besieged Fuuma village recovers from the Grey Wolves' attack, its leader suggests that Miharu and company adopt the objective of those who laid waste to his village: stealing the forbidden arts of other ninja clans. Shocked, the ninja of Banten are left to wonder just how far will not only Mijaru's enemies, but also his allies, go to possess the Shinra Banshou ... and at what cost?"--P. [4] of cover.

"As Yoite's condition worsens, Yukimi's mind drifts, eventually settling on the mystery of the dying Kira user's past. Acting independently at the cost of his assigned mission, the Grey Wolves' resident journalist sets off in search of the truth about his ward's life with little to guide him. Left to their own devices, Yoite and Miharu break free of Hattori and the Grey Wolves when they learn that the leader of the pack knows much more about them...

"The aftermath of the confrontation at Alya Academy finds Yoite even more broken than before and the four forbidden art scrolls now in the hands of the Grey Wolves. As the remaining Banten shinobi regroup, Kouichi decides to reveal his shocking past to his allies. But it proves to be the last straw for Tobari, holder of the final remaining forbidden art scroll-Engetsurin- who is spurred into making a sudden decision that will send all the players...

When Mirhaur Rokujou takes the throne as the Nabari no Ou, ruler of the Hidden World, the choice is made to reclaim the "someone" who was his other half.